Gamma radiation from PSR B1055-52

D.J. Thompson, M. Bailes, D.L. Bertsch, J. Cordes, N. D'Amico, J.A. Esposito, J. Finley, R.C. Hartman, W. Hermsen, G. Kanbach, V.M. Kaspi, D.A. Kniffen, L. Kuiper, Y.C. Lin, A. Lyne, R. Manchester, S.M. Matz, H.A. Mayer-Hasselwander, P.F. Michelson, P.L. NolanH. Ogelman, M. Pohl, P.V. Ramanamurthy, P. Sreekumar, O. Reimer, J.H. Taylor, M. Ulmer

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The telescopes on the Compton Gamma Ray Observatory (CGRO) have observed PSR B1055-52 a number of times between 1991 and 1998. From these data a more detailed picture of the gamma radiation from this source has been developed, showing several characteristics that distinguish this pulsar: the light curve is complex; there is no detectable unpulsed emission; the energy spectrum is hat, with no evidence of a sharp high-energy cutoff up to greater than 4 GeV. Comparisons of the gamma-ray data with observations at longer wavelengths show that no two of the known gamma-ray pulsars have quite the same characteristics; this diversity males interpretation in terms of theoretical models difficult.
Original languageEnglish
JournalAstrophysical Journal
Volume516
Issue number1
Pages (from-to)297-306
ISSN0004-637X
Publication statusPublished - 1999

Keywords

  • pulsars : individual (PSR B1055-52)
  • gamma rays : observations

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